Seroquel have a half-life of six hours so it usually stays in your system for about 30 hours especially if you have only taken it once. Some people who regularly consume the medication for years may take it up three months to remain in the system. If you want to totally eliminate the drug from your system, consult first your doctor because abruptly stopping the drug will result to withdrawal symptoms.
The half-life of the drug is 6 hours. This means that every six hours, there is a decrease in half of the amount of drug that is in the body. By 24-48 hours, the drug will already be gone from your system.
Seroquel is normally prescribed for people suffering from sleeping disorders. Generally, it stays in the system for about 6 hours, meaning one needs to take it at least 3 times a day to have a continuous effect.